664256

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 28

約数和(自身を含む): 1344168

約数和(自身を除く): 679912

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 107, 194, 214, 388, 428, 776, 856, 1552, 1712, 3104, 3424, 6208, 6848, 10379, 20758, 41516, 83032, 166064, 332128, 664256]

約数ペア:

[(1, 664256), (2, 332128), (4, 166064), (8, 83032), (16, 41516), (32, 20758), (64, 10379), (97, 6848), (107, 6208), (194, 3424), (214, 3104), (388, 1712), (428, 1552), (776, 856)]